Personal IoT
The personal IoT is dominated by the use of wearables, technological devices designed to be worn on body, they are used in tandem with an app on a smartphone. The first wearable available was the Pulsar Calculator watch made by Time Computer Inc, USA (at that time known as Hamilton Watch Company). It was a standalone device not connected to the internet. Soon, with the growth of the internet, wearables that can connect to the internet became a fad. The wearables market is expected to jump from an estimate of 325million in 2016 to over 830million by 2020:
![](https://static.packt-cdn.com/products/9781788836067/graphics/c5942ea2-4fac-4550-8b00-fc3cba0ae741.png)
This graph shows the number of wearables worldwide from 2016–2021 (data source: Statista). With so many devices connected online, continuously generating data, AI/ML tools are a natural choice to analyze this data and make informed decisions. In this section, you will learn about some successful personal IoT applications.
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